Event: Durham League Division B

Opponent Rating Result
Charlie Hazlerigg 1668 1 - 0
Nigel Hall 1919 0 - 1
Paul D McGuigan 1699 1 - 0
Paul Freeman 1497 1 - 0
Nathan Ekanem 2009 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1918 = (8792 + 400 * (3 - 1)) / 5)

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